Oswego City School District
Regents Exam Prep Center: Parallel Lines
Material to supplement classroom instruction on parallel lines: a lesson on angles with parallel lines, a practice quiz, and a link to an investigation on angles with parallel and non-parallel lines.
Government of Alberta
Learn Alberta: Math Interactives: Exploring Parallel Lines (Object Interactive)
Investigate vertically opposite, corresponding, and alternate angles formed by parallel lines and a transversal using this highly interactive Learn Alberta math. Be sure to follow the link to the printable activities, solutions, learning...
CK-12 Foundation
Ck 12: Elem Math: Identifying Parallel Lines
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on identifying parallel lines.
CK-12 Foundation
Ck 12: Geometry: Parallel Lines in the Coordinate Plane
[Free Registration/Login may be required to access all resource tools.] This concept teaches students about parallel lines in the coordinate plane, and how to use slopes to determine whether or not two lines are parallel.
CK-12 Foundation
Ck 12: Elem Math: Visually Evaluating Parallel Lines Cut by a Traversal
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems about parallel lines cut by a transversal.
CK-12 Foundation
Ck 12: Geometry: Parallel Lines and Transversals
[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to use the Triangle Proportionality Theorem with multiple parallel lines.
CK-12 Foundation
Ck 12: Elem Math: Overview of Parallel Lines
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on the properties of parallel lines.
CK-12 Foundation
Ck 12: Geometry: Parallel Lines and Transversals
[Free Registration/Login may be required to access all resource tools.] Apply the fact that transversals cut parallel lines proportionally.
CK-12 Foundation
Ck 12: Algebra: Equations of Parallel Lines
[Free Registration/Login may be required to access all resource tools.] Learn how to write equations of parallel lines.
CK-12 Foundation
Ck 12: Geometry: Intersecting and Parallel Lines
[Free Registration/Login may be required to access all resource tools.] Identify intersecting and parallel lines.
Math Planet
Math Planet: Geometry: Angles, Parallel Lines and Transversals
Angles, parallel lines, and transversals are explained through examples and a video lesson. [1:01]
Geometry Help
Geometry Help: What Are Parallel Lines in Geometry?
Explains the basic concept of parallel lines in Geometry with step-by-step instructions and methods for solving specific problems on your own relating to this topic.
Illustrative Mathematics
Illustrative Mathematics: G Co Defining Parallel Lines
Alex and his friends are studying for a geometry test and one of the main topics covered is parallel lines. They each write down what they think it means for two distinct lines in a plane to be parallel. Learners are asked to analyze...
Texas Instruments
Texas Instruments: Angles Formed by Parallel Lines
Students can use Cabri Jr. to construct parallel lines and transversals. They will make conjectures about the angles that are formed.
Texas Instruments
Texas Instruments: Angles Formed by Parallel Lines and a Transversal
Students explore relationships in various angles formed by 2 parallel lines and a transversal.
Illustrative Mathematics
Illustrative Mathematics: G Gpe Parallel Lines in the Coordinate Plane
The goal of this task is to prove the slope criterion for parallel lines. Aligns with HSG-GPE.B.5.
Texas Instruments
Texas Instruments: Properties of Parallel Lines With Cabri Jr.
Cabri Jr. activity to study the properties of parallel lines.
Texas Instruments
Texas Instruments: Sail Problem (Parallel Lines & Segment Relationships)
In this activity, students will explore the proportional relationships involved in multiple parallel lines being cut by transversals. These relationships are approached through exploration of a sail design problem, where students are to...
Texas Instruments
Texas Instruments: Properties of Parallel Lines Cut by a Transversal
In this activity, students create parallel lines and a transversal, and study the properties of the lines and their angles.
Texas Instruments
Texas Instruments: Parallel Lines, Transversals and Angles
This activity allows students to: 1. Identify the pairs of angles formed when a transversal intersects two lines.: 2. Measure angles Using Cabri Jr. 3. Identify relationships between pairs of angles when a transversal intersects parallel...
CK-12 Foundation
Ck 12: Parallel Lines
[Free Registration/Login Required] Students explore the concept of parallel lines by navigating through the interactive learning module and then answering questions that go along with the module. Students can also learn more about the...
Texas Instruments
Texas Instruments: Parallel Lines Cut by a Transversal With Cabri Jr.
Using Cabri Jr, the students (with the teachers help) will create parallel lines cut by a transversal, measure angles, and compare the relationships of the angles formed using features of the Cabri Jr.
Texas Instruments
Texas Instruments: Got Parallel Lines With Corresponding Angles Congruent? With
Construct parallel lines in Cabri Jr., and students label and check if all corresponding angles are congruent.
Texas Instruments
Texas Instruments: Parallel Lines Cut by a Transversal
In this activity, students learn and increase their knowledge about the angles formed when parallel lines are cut by a transversal.
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